/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

package opensocial.apps.friendforsale.command;

import java.util.List;

import opensocial.apps.common.Message;
import opensocial.apps.friendforsale.model.Player;

import org.apache.log4j.Logger;

public class TopCommand extends FriendsaleBaseCommand {
  private static final Logger LOGGER = Logger.getLogger(TopCommand.class);

  private String[] sortkey = { "cash", "price" };
  private String[] filterkey = { "" };

  @Override
  public boolean execute() throws Exception {
    Player viewer = this.getViewer();
    if (viewer == null) {
      LOGGER.error("viewer not found:" + ctn + " " + vid);
      output(new Message(MessageId.PLAYER_NOT_FOUND, null));
      return END;
    }

    String sort = request.getParameter("sort");
    String friends = request.getParameter("friends");
    String top = request.getParameter("top");

    boolean found = false;
    for (String skey : sortkey) {
      if (skey.equals(sort)) {
        found = true;
        break;
      }
    }

    if (!found) {
      sort = "cash";
    }

    int max;
    try {
      max = Integer.parseInt(top);
    } catch (NumberFormatException e) {
      max = 20;
    }

    List<Player> tops = persist.top(ctn, friends, sort, max);
    this.hasError(false);
    output(tops);
    return NEXT;
  }
}
